ClassID:

126338

D21C3/00 - CPC Classification

Classification description:

Pulping cellulose-containing materials

Sub-classes:
Recent Application in this class:
#1
20250250592
2025-08-07

HYDROTHERMAL-MECHANICAL CONVERSION OF LIGNOCELLULOSIC BIOMASS TO ETHANOL OR OTHER FERMENTATION PRODUCTS

#2
20250059707
2025-02-20

NANOCELLULOSE PRODUCTION CO-LOCATED AT A PULP AND PAPER MILL

#3
20220250818
2022-08-11

Container for Containing Cellulose Resin Composition and Package Comprising Same and Cellulose Resin Composition

#4
20220243229
2022-08-04

Hydrothermal-mechanical conversion of lignocellulosic biomass to ethanol or other fermentation products

#5
20220081834
2022-03-17

PROCESS AND SYSTEM FOR TREATING VAPOURS RELEASED FROM LIGNOCELLULOSE BIOMASS DURING ACID TREATMENT

#6
20210340706
2021-11-04

Nanocellulose production co-located at a pulp and paper mill

#7
20210147952
2021-05-20

Lignocellulosic conversion processes and products

#8
20200283953
2020-09-10

Processes and systems for the pulping of lignocellulosic materials

#9
20200172939
2020-06-04

Hydrothermal-mechanical conversion of lignocellulosic biomass to ethanol or other fermentation products

#10
20190360006
2019-11-28

Hydrothermal-mechanical conversion of lignocellulosic biomass to ethanol or other fermentation products

#11
20190271113
2019-09-05

Method and system for treating biomass

#12
20180245285
2018-08-30

METHODS OF PRODUCING A PAPER PRODUCT

#13
20180237806
2018-08-23

Hydrothermal-mechanical conversion of lignocellulosic biomass to ethanol or other fermentation products

#14
20180163344
2018-06-14

Method for reducing pulp viscosity in production of dissolving pulp

#15
20180105982
2018-04-19

Processes and systems for the pulping of lignocellulosic materials

#16
20170342659
2017-11-30

Method and apparatus for controlling a cellulosic pulp process

#17
20170306557
2017-10-26

Methods of producing a paper product

#18
20170160206
2017-06-08

Method and device for monitoring the quality of nanofibrillar cellulose

#19
20170152632
2017-06-01

Manufacturing feedstock from fruit by-product processing

#20
20170130282
2017-05-11

Lignocellulosic conversion processes and products

#21
20170121906
2017-05-04

Methods for the production of high alpha-cellulose pulp

#22
20160298294
2016-10-13

Method for delignifying and bleaching pulp

#23
20160298292
2016-10-13

Biomass treatment for hydrothermal hydrocatalytic conversion

#24
20160168791
2016-06-16

Methods of producing a paper product

#25
20160153138
2016-06-02

Method for displacement in batch digesters

#26
20160145797
2016-05-26

Continuous digester and feeding system

#27
20160053275
2016-02-25

Key gene regulating plant cell wall recalcitrance

#28
20160032021
2016-02-04

Method of producing regenerated cellulose and hemicellulose

#29
20160031921
2016-02-04

Oxygen assisted organosolv process, system and method for delignification of lignocellulosic materials and lignin recovery

#30
20160024712
2016-01-28

Process for the treatment of lignocellulosic biomass

#31
20160002851
2016-01-07

Process operations for biomass fractionation

#32
20150211188
2015-07-30

High yield and enhanced performance fiber

#33
20150136344
2015-05-21

Product and processes from an integrated forest biorefinery

#34
20150125906
2015-05-07

Methods of hydrolyzing oligomers in hemicellulosic liquor

#35
20150122431
2015-05-07

Method of manufacturing pulp for corrugated medium

#36
20150101773
2015-04-16

Fruit fiber article and manufacturing thereof

#37
20150101771
2015-04-16

Manufacturing feedstock from fruit by-product processing

#38
20140374040
2014-12-25

Process for the production of an intermediate product intended for the production of ethanol and for the production of lignin

#39
20140182796
2014-07-03

Product and processes from an integrated forest biorefinery

#40
20140162345
2014-06-12

Lignocellulose conversion processes and products

#41
20130310489
2013-11-21

Process for providing and processing natural fibres

#42
20130276999
2013-10-24

Fruit fiber processing system and method

#43
20130224802
2013-08-29

Methods of hydrolyzing oligomers in hemicellulosic liquor

#44
20130139980
2013-06-06

Method and system for producing market pulp and products thereof

#45
20130118483
2013-05-16

SOLID LIGNOCELLULOSIC HYDROLYSATE AND METHODS TO PREPARE A SOLID LIGNOCELLULOSIC HYDROLYSATE

#46
20130112359
2013-05-09

Product and processes from an integrated forest biorefinery

#47
20130105097
2013-05-02

Method of processing chemical pulp

#48
20130092336
2013-04-18

MODIFIED KRAFT FIBERS

#49
20130081769
2013-04-04

Method of manufacturing pulp for corrugated medium

#50
20120301928
2012-11-29

PREPROCESSING METHOD OF HYDROLYZING LIGNOCELLULOSIC BIOMASS AND METHODS OF MANUFACTURING SUGAR COMPOUND AND BIOETHANOL FROM BIOMASS PROCESSED USING THE PREPROCESSING METHOD

#51
20120138546
2012-06-07

High Temperature Lignin Separation Process

#52
20110313141
2011-12-22

Processing of Biomass

#53
20110256615
2011-10-20

Modification of biomass for efficient conversion to fuels

#54
20110236946
2011-09-29

Concurrent Anaerobic Digestion and Fermentation of Lignocellulosic Feedstocks

#55
20110186250
2011-08-04

Continuous digestion of chip blends containing a western red cedar chip furnish

#56
20110105737
2011-05-05

METHOD FOR PRETREATING PLANT STARTING MATERIAL FOR THE PRODUCTION, FROM SACCHARIFEROUS AND LIGNOCELLULOSIC RESOURCES, OF BIOETHANOL AND OF SUGAR, AND PLANT

#57
20110028672
2011-02-03

UTILIZATION OF A WOOD HYDROLYSATE

#58
20100329943
2010-12-30

Digester with improved space utilization and/or sample holder

#59
20100269994
2010-10-28

METHOD FOR TREATING LIGNO-CELLULOSIC MATERIALS

#60
20100269993
2010-10-28

Method for improving fiber quality and process efficiency in mechanical pulping

#61
20100206499
2010-08-19

Methods for Producing Biomass-Based Fuel With Pulp Processing Equipment

#62
20100196981
2010-08-05

Methods and systems for feedstock production from sewage and product manufacturing therefrom

#63
20100186735
2010-07-29

Method and apparatus for conveying a cellulosic feedstock

#64
20100163018
2010-07-01

Fractionation of lignocellulosic material using ionic liquids

#65
20100121110
2010-05-13

Method for the breakdown of lignin

#66
20100032111
2010-02-11

Process for producing fibrous material from wood

#67
20090314443
2009-12-24

METHOD FOR PRODUCING FIBROUS MATERIAL

#68
20090301673
2009-12-10

System and a method for the steam pre-treatment of chips in association with the production of chemical cellulose pulp

#69
20090286885
2009-11-19

Ethylene-tetrafluoroethylene phosphate composition

#70
20090266500
2009-10-29

PROCESS FOR PRODUCING TISSUE PAPER

#71
20090229774
2009-09-17

Lignocellulosic fibrous material made of wood

#72
20090165968
2009-07-02

Modified Kraft fibers

#73
20090107643
2009-04-30

Method for mechanical pulp production

#74
20090038767
2009-02-12

Method and System for Semi-Chemical Pulping

#75
20080277081
2008-11-13

Method for impregnating chips

#76
20080245496
2008-10-09

Apparatus and process for digesting cellulosic material

#77
20080210392
2008-09-04

METHOD FOR PRODUCING CELLULOSE PULP IN A CONTINUOUS DIGESTER IN AN ENERGY-EFFICIENT MANNER

#78
20080107574
2008-05-08

Reactor pump for catalyzed hydrolytic splitting of cellulose

#79
20080105392
2008-05-08

METHOD AND COMPOSITION FOR IMPROVING FIBER QUALITY AND PROCESS EFFICIENCY IN MECHANICAL PULPING

#80
20080093041
2008-04-24

Method and arrangement for impregnating chips

#81
20080029233
2008-02-07

MOVING BED BIOMASS FRACTIONATION SYSTEM AND METHOD

#82
20080015373
2008-01-17

Production of a refinery feedstock from soaps produced during a chemical pulping process

#83
20070079944
2007-04-12

Product and processes from an integrated forest biorefinery

#84
20070000627
2007-01-04

Modified kraft fibers

#85
20060016751
2006-01-26

Method of concentrating pulp mill extracts

#86
12338593
2015-07-28

Copper complexes and their use as wood preservatives